210312030112 has 24 divisors (see below), whose sum is σ = 414329976900. Its totient is φ = 105085369344.

The previous prime is 210312030109. The next prime is 210312030121. The reversal of 210312030112 is 211030213012.

It can be written as a sum of positive squares in 2 ways, for example, as 163380873616 + 46931156496 = 404204^2 + 216636^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2159287 + ... + 2254582.

Almost surely, 2^210312030112 is an apocalyptic number.

It is an amenable number.

210312030112 is a deficient number, since it is larger than the sum of its proper divisors (204017946788).

210312030112 is a wasteful number, since it uses less digits than its factorization.

210312030112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4415368 (or 4415360 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 210312030112 its reverse (211030213012), we get a palindrome (421342243124).

The spelling of 210312030112 in words is "two hundred ten billion, three hundred twelve million, thirty thousand, one hundred twelve".